From the Dometsch Online Music Dictionary https://www.dolmetsch.com/musictheorydefs.htmAdagio: (Spanish m., German n. from adagio (Italian m.), literally 'at ease', 'leisurely') as an indication of tempo, slow, leisurely, solemnly, gnerally slower than andante and faster than largo, langsam (German), gemächlich (German)Andante: (English, German, Italian, from andare meaning 'to go') moving along, flowing, at a walking pace, faster than adagio but slower than allegretto (There is some disagreement among composers as to whether andante is a 'quick' or a 'slow' tempo marking. If andante were a 'fast' tempo marking, andante molto or molto andante would be quicker than andante. However, if andante were a 'slow' tempo marking, andante molto or molto andante would be slower than andante).Hope this helps
andantino versus allegretto always confoose the hell outta me!